From: Bernhard Walle <bwalle@suse.de>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: x86@kernel.org, kexec@lists.infradead.org,
linux-kernel@vger.kernel.org, Vivek Goyal <vgoyal@redhat.com>
Subject: Re: [PATCH] x86: Find offset for crashkernel reservation automatically
Date: Fri, 27 Jun 2008 20:29:32 +0200 [thread overview]
Message-ID: <20080627202932.16634031@kopernikus.site> (raw)
In-Reply-To: <m1zlp6vjub.fsf@frodo.ebiederm.org>
* ebiederm@xmission.com (Eric W. Biederman) [2008-06-27 11:00]:
> Bernhard Walle <bwalle@suse.de> writes:
>
> > Ah, that's true. Only on x86, right? (That would be an alternative for
> > ia64, too ...)
> >
> > But in general policy should go in userspace (if possible), so I agree
> > with you that kexec-tools can handle that.
>
> At a quick skim the patch looks good. I thought I had initially implemented
> the code to work this way but apparently in all of the churn that aspect of it
> got lost.
>
> Let's start with trying to allocate the memory as low as possible for
> a crash kernel (I think you are already doing that).
Yes, in 95 % of the cases the crashkernel still gets reserved at 16M.
Bernhard
--
Bernhard Walle, SUSE LINUX Products GmbH, Architecture Development
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next prev parent reply other threads:[~2008-06-27 18:29 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-26 19:54 [PATCH] x86: Find offset for crashkernel reservation automatically Bernhard Walle
2008-06-27 13:32 ` Vivek Goyal
2008-06-27 13:42 ` Vivek Goyal
2008-06-27 14:06 ` Bernhard Walle
2008-06-27 14:19 ` Vivek Goyal
2008-06-27 14:22 ` Bernhard Walle
2008-06-27 18:00 ` Eric W. Biederman
2008-06-27 18:29 ` Bernhard Walle [this message]
2008-07-03 13:14 ` Ingo Molnar
2008-07-14 7:11 ` Yinghai Lu
2008-07-14 9:24 ` Bernhard Walle
2008-07-14 9:44 ` Eric W. Biederman
2008-07-14 17:06 ` Yinghai Lu
2008-07-14 17:30 ` Eric W. Biederman
2008-07-14 18:17 ` Yinghai Lu
2008-07-14 18:41 ` Eric W. Biederman
2008-07-14 18:47 ` Bernhard Walle
2008-07-14 18:55 ` Eric W. Biederman
2008-07-14 19:08 ` Yinghai Lu
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